743497 - Malicious "FlashPlayer 11" add-on

Status: RESOLVED FIXED

(Toolkit :: Blocklist Policy Requests, defect)

Description

[MarkH]

Attachment: 20120407_lowcoststuff.zip

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.142 Safari/535.19

Steps to reproduce:

Downloaded add-on from 
http://low-cost-stuff.net/r/play.php?id=1



Actual results:


loads getmobiles.js from the add-on

that injects http://mio98.hk/js.php

js.php:

Steals the Facebook cookies and session token

Uses a variety of spam messages / urls:

"[NEW V1DEO ] Lady Gagga was .raped ... shocking Here. is the Vide0" - http://bit.ly/HkensV
"Madonna caught having ANAL sex on airport! http://bit.ly/HhvSp4 click link to see the video."

Injects iframes to:
http://resultsz.com/search/anticheat6.php?username=mc0011
http://www.mp56a.com/rep.php?r
http://luxemil.com/search/test1.php

Posts on their friends' walls/timelines

Likes a page

Does captcha solving by sending captchas to
http://65.254.51.42/~lxcore/imvu/msg/api/s_c.php?u<escaped_captcha_url>

Posts on the victim's wall

Can also spam on Twitter


Expected results:

It should not steal the user's Facebook cookies / session tokens and then send spam to their friends or automate captcha solving without the user's consent.

Comment 1

[Jorge Villalobos [:jorgev] (he/him)]

ID: [e-mail]

Comment 2

[Jorge Villalobos [:jorgev] (he/him)]

Blocked: https://addons.mozilla.org/en-US/firefox/blocked/i83